libata: use ata_is_ncq() accessors

Use accessor functions instead of the raw value.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 3dca0d1..0447a39 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3130,8 +3130,8 @@
 		tf->command = cdb[9];
 	}
 
-	/* For NCQ commands with FPDMA protocol, copy the tag value */
-	if (tf->protocol == ATA_PROT_NCQ)
+	/* For NCQ commands copy the tag value */
+	if (ata_is_ncq(tf->protocol))
 		tf->nsect = qc->tag << 3;
 
 	/* enforce correct master/slave bit */